Portable power inverter unit



FIG. 1 is a perspective view of a portable power inverter unit showing our new design;

FIG. 2 is a top view of the portable power inverter unit shown in FIG. 1;

FIG. 3 is a right-hand side view of the portable power inverter unit shown in FIG. 1;

FIG. 4 is a bottom view of the portable power inverter unit shown in FIG. 1;

FIG. 5 is a left-hand side view of the portable power inverter unit shown in FIG. 1;

FIG. 6 is a front view of the portable power inverter unit shown in FIG. 1; and,

FIG. 7 is a rear view of the portable power inverter unit shown in FIG. 1.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portable power inverter unit, as shown and described. 